Home / 1,605,924.02-2,215,970.87-917,640.39

Finding the Fourth Proportional to 1,605,924.02, 2,215,970.87 and 917,640.39

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Solution

The fourth proportional to 1,605,924.02, 2,215,970.87 and 917,640.39 is: 1,266,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,924.02 : 2,215,970.87 = 917,640.39 : x
  2. Step 2: Convert to fraction form
    1,605,924.02/2,215,970.87 = 917,640.39/x
  3. Step 3: Cross multiply
    1,605,924.02x = 2,215,970.87 × 917,640.39
  4. Step 4: Simplify right side
    1,605,924.02x = 2,033,464,377,097.13
  5. Step 5: Solve for x
    x = 2,033,464,377,097.13/1,605,924.02
  6. Step 6: Final answer
    x = 1,266,227.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.